Type: car music light Voltage: 12v,12-24v Lamp Type: LED Certification: CE,RoHS,E-mark Car Make: All cars Place of Origin: Guangdong China (Mainland) Brand Name: LIWIN Model Number: music sensor light bar,car music light life time: 3000 hours Color: white,red blue and other brilliant colors Power: 3w/5w Size: 45*11cm;90*10cm;70*16cm and other size Operating temperature: -40 ~ +105 web: www.liwin-china.com OEM service: Yes Keyword: music sensor light bar Packaging & Delivery Packaging Detail: Blister card or anti-static bag ,OEM package is welcomed 1pcs 1 polybag, put into the carton box. Delivery Detail: Sample Order:1-3 days ,Big order:6-14 days after got the payment Specifications music sensor light bar 1.New design,New style 2.Easy install 3.Sound activated function 4.Best after-sevice music sensor light bar 2013 hotsale music sensor light bar 1. Directly factory 2. Newest design 3. Energy saving and High power LED 4. Fashionable & Cool ca
Specifications 2.0 professional active speaker with USB/SD function cool design with shaking souond competitive price best for your choice 2.0 professional active speakerwith USB/SD functioncool design with shaking souondcompetitive price best for your choice Reference Data:Output power:Speaker unit:Frequency response:Impedance:Dimensions:40HQ(set):
Specifications 648 LED bar light 1.648 pcs ultra bright 5mm LEDs 2.RGB color mixing 3.sound activated/master/slave/dmx512,auto 648 LED bar light / stage light Power supply: AC110V-250VFrequency: 50-60Hz Power consumption: 130WLight source: 648pcs 5mm high brightness leds(R216, G216, B216)Lamp life: 6-10 ten thousand hrsLED angle: 25(±5) degreeColor: 16.7 million kinds of color changeControl channels: 5 chsControl mode: DMX512, master/slave, auto, sound activeAutomatic model(by function button) : color change, color strobe, color dimmer,color gradual change/color jump changeOperation menu: 4 digit digital LED displayPacking size: 820*117*73mmN.W: 5.1kgG.W: 5.5kg
Specifications active sound bar 2.1 channel sound bar sound bar with usb slot sound bar with karaoke function and 2 microphone input active sound bar Product name: sound barProduct model: SD-02 Specification:Output power: RMS 30WInput impedance: 47K ohmsSNR: ≥76dB Description: 1. Built-in USB function2. It can support MP3 music format 3. Built-in digital amplifier 4. 2.1channel sound bar 5. 2 Analog Audio inputs stereo*2 6. With LED digital display 7. With full function remote control 8. Compatible with PC/VCD/DVD/CD/TUNER/TAPE/TV and other audio input 9. Plastic Cabinet10. With karaoke function and 2 microphone input
Brand Name: OEM /SY Model Number: D252U Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,outdoor Channels: 3 (2.1) Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) Color: black Material: Wooden Output power: 25W+12W*2 Subwoofer: 5.25" 30W Packaging & Delivery Packaging Detail: Color Box Delivery Detail: 3-10 days after payment Specifications 2.1 Subwoofer Multimedia Speaker 1. USB Powered 2. High glossy front panel 3. Perfect sound performance Shunyang---An manufacturer of computer accessories and tablet PC accessories,all accessoriesYou No.1 supplier to choose 2.1 Subwoofer Multimedia Speaker Features: 1. Profess
Specifications mobile docking station: 1.aluminum housing 2.led flash light 3.built-in li battery 4.card reader Specification mobile docking station: TEOTI Recommends Enjoying the music on your iPhone or iPod anywhere-from bedroom to den to dorm.Latest generation Boom boxes for iPod/iPhone chargeable Docking station mini speaker Portable mini speaker for iphone cellphone/mp3/ipod/CD 1.For iphone ,MP3,MP4, mini speaker, HI-FI speaker, portable speaker. 2.Anywhere can enjoy music. 3.Small cool shape, Trendy personalized with LED display. 4.Unique design philosophy- telescopic extension speaker. 5.support SD/MMC card support, USB flash support,FM radio,LED display,Time & alarm, USB soun
Specifications universal phone docking station: 1.aluminum housing 2.led flash light 3.built-in li battery 4.card reader Specification universal phone docking station: TEOTI Recommends Enjoying the music on your iPhone or iPod anywhere-from bedroom to den to dorm. Latest generation Boom boxes for iPod/iPhone chargeable Docking station mini speaker Portable mini speaker for iphone cellphone/mp3/ipod/CD 1.For iphone ,MP3,MP4, mini speaker, HI-FI speaker, portable speaker. 2.Anywhere can enjoy music. 3.Small cool shape, Trendy personalized with LED display. 4.Unique design philosophy- telescopic extension speaker. 5.support SD/MMC card support, USB flash support,FM radio,LED display,Time & a
Light Source: LED,12*15W 3in1 LEDs Item Type: Wall Washers Place of Origin: Guangdong China (Mainland) Brand Name: ColourEngine Model Number: Outdoor led wall wash Bar Product: Outdoor led wall wash Bar Power supply: 90-250V Certificate: CE, LVD Packaging & Delivery Packaging Detail: Carton or Flightcase Delivery Detail: 10-12 DAYS Specifications 1. Outdoor led wall wash Bar 2. 12*15W 3in1 LEDs 3. Sound active, Master/slave, Auto Run, DMX512 4. IP65 Outdoor Outdoor led wall wash Bar Item NumberLight SourceVoltage InputM.OQDA-LCW-180-Tri12*15WTri-in-1 LEDs100-240V AC12 pcs Features:. IP65 Waterproof Protection. 12pcs 15W Tri-in-1 LEDs. 30°/60°Lens Angle . Switching Power Supply. Constant Current Drived. Fresh Rate: >400Hz Flicker-Free. DMX Channel: 8Chs. Smooth RGBW or RGBA Color Mixing System. Electronic Linear Dimmer: 0--100%. High Speed Electronic Strobe: 0--20/S. Full Color Mixing in Standalone, Master/Slave and DMX modes . Built-in Automated Programs via Master/Sla
Place of Origin: Guangdong China (Mainland) Brand Name: Yingbosang Model Number: YI-DC016 Type: Dice Cup & Box Material: PVC+PP Color: Any Color acceptable Eco-Friendly: Yes Logo: Debossed/printing Size: 8..3*9.3cm Packaging & Delivery Packaging Detail: oppbag Delivery Detail: 15day for MOQ Specifications Sound Plastic Bar Dice cup 1.Material:pvc+pp 2.Size:8.3*9.3cm 3.Logo:imprinting/debossed 4.Color:any color Sound Plastic Bar Dice cup Leather dice cup ,Luxuary dice cup set,promotional dice cupSpecifications:-Material:pvc+pp cup-Size: 8.2*8.2*9.8cm -With 5 dices-Packing: With five dices in a oppbag.100sets in a carton.-N.G/W:12/13kgs Product Name: Dice Cup with Customized Dices Material:pu+ppSize: 8x9.3cm Color:Any colorPacking: oppbag Logo:customized printing Sample Time: 2-5days Lead-Time12days for MOQ-1000pcs Product Name: Stylish Dice Cup with Lid Material:pvc/pu+pp+velvetSize: 8x10cm Col
Light Source: LED Item Type: Wall Washers Place of Origin: Guangdong China (Mainland) Brand Name: SIUSAI Model Number: SSL-21 Item: led wall washer bar Voltage: 90-250V AC,47-63Hz Max. Power Consumption:: 20VA Channel:: 13CH Control mode:: DMX512,sound,auto,master/slave warranty: 1year Packaging & Delivery Packaging Detail: Flighting case, wooden case Delivery Detail: 1-2 weeks Specifications New design LED wall washer bar 1. Certificate: CE& ROHS 2.Warranty: one year 3.60-100 thousand hrs Rated Life Name New design LED wall washer bar Model SSL-21 Base parameter Size: 85 x 1070 x 650mmWeight:3Kg Source Intensive brightness leds 252 PCS 10mm LEDs (108 red ,72 green,72 blue)60-100 thousand hrs Rated Life Beam angle35C°beam angle of each LED Colours 16,7million colours (24 bit)The LEDs used are a mixture of red,green, and blue to produce, via RGB electronic mixing.White balance pre-programmed via LE
Item Type: Flood Lights Input Voltage(V): 100-260v Lamp Power(W): 300 Working Lifetime(Hour): 50000 Lamp Body Material: Aluminum IP Rating: IP65 Certification: CE,RoHS Place of Origin: GUA,Guangdong, China (Mainland) China (Mainland) Brand Name: superlight,mp Model Number: bar-24 VOLTAGE: AC110-260V,50/60HZ light source1: 24*4in1 10w Material: die-cast aluminium water-proof: IP65 Application: Square Finishing Color: Black Packaging & Delivery Packaging Detail: Inner and outside package of kraft carton with EPE Delivery Detail: accoring to order Specifications RGBW floodlight, IP65 led wash bar, 1.SIZE:450*200*170MM 2. G.W:7KG 3.AUTOMATIC,MASTER/SLAVE,DMX512,sound control High power led flood light /wall wash Details introductionIP65 High power led flood light/down lightVOLTAGE:AC110-260V,50/60HZPOWER:250WLAMP: led 24*4IN1 10w rgbwDMX CHANNEL---22CH,DIGITAL displaySIZE--- 450*200*170MMNET WEIGHT-- 7KGBeam angle:25/35/40 SELECTABLEOPERATE MODE:AUTO
Specifications 1.Music/Madrix controllable 2.360 degree, 3D-effect 3.0.5M,1M,1.5M,2M available 4.CE, FCC approved Disco/night club falling star sound bar meteor tube light Features: 1.Constant current driver is inside the lamp, to make sure it can work at a certain current, which contributes lots to protecting lamp's lifespan 2.Double sided light effects can be seen from angles.Transparent tube make the light much clear and pure. 3. Environment friendly,no harsh glare and buzzing noise,no flicker. Application: Decoration for streets, gardens, trees, hotels,shopping malls, night bars, Djs, clubs, arena, stage, etc Specifications 0.5m, 1m, 1.5m and 2m are availabl
Brand Name: Blueaudios Model Number: L606 Channels: 2.1 Player Type: DVD Player Special Feature: Wireless System Place of Origin: Guangdong China (Mainland) Wireless active: bluetooth Sound Bar: Front Surround System Packaging & Delivery Packaging Detail: standard packaging. Delivery Detail: 30days Specifications Surround sound bar, 4 speaker surround effects. Wireless bluetooth functions. for iPad/ iphone. Audio interface:1. Wireless stereo Bluetooth –audio streamingCompatible with any enabled stereo Bluetooth (A2DP) device. 2. Conventional:RCA – audio in , RCA – audio outAudio in - via 3.5mm jack cable line.Supports CDs, MP3 player, DVDs, LED/LCD TV. Specification:1. CSR v2.0 stereo bluetooth, integrated circiut by Gemma wireless.2. Bluetooth power :Class II (10 ~30meters)3. Bluetooth audio: A2DP - stereo bluetooth4. Bluetooth profile: AVRCP remote control.5. Frequency: 2.4G +79 channels AFHSS6. Antenna: External concealed dipole 7. Driver Unit
Specifications wallcloth 1.wallpaper upgraded product,seamless! 2.waterproof,mouldproof,environmental 3.longer service life 4.more welcome Wallcloth---give your wall dress up, let the cold wall warmer up! the Features and Advantages of new product----wallcloth Wallcloth is wallpaper upgraded and replaced products, now is a rapid rise of new environmental protection industry, give a person elegant, noble, the magnificence of modern style feeling.as an important modern wall decoration art grade element, is more and more widely used in high-grade hotels, restaurants, bars, KTV, office buildings etc public field, also is very suitable for household villas, general house decoration and renovation, wallcloth has strong vitality for its incomparable advantages compare with wallpaper: 1.Seamless splice: using our seamless paste new technology can make whole wallcloth smoothly and flat pasted on the wall.Seamless wallcloth height can up to 3.1m, so can be widely used inte
Specifications 1. 1.8 inch QVGA super cheap bar phone X2 2. Frequency 900/1800 3. Dual sim dual standby 4. Support FM, BT, sound and video Model name: 1.8 inch QVGA super cheap bar phone X2 Selling point: 1. 1.8 inch QVGA super cheap bar phone X22. Frequency 900/18003. Dual sim dual standby4. Support FM, BT, sound and video Details as below: Platform: RDA8851A Frequency: 900/1800Size: 107mm*45.2mm*14.8mm Battery capacity:(Nokia BL-5C) FLASH:32+161524Super loud 3D speakerSharing NOKIA Chargercolore:black ,silver,red,blue, Accessories: 1 Nokia charger +1 handphone no mic + menu book in Englis +1 colour box+ 1 pc Battery(4C)
Specifications A+++ quality,brand new,box packaging,factory price,good service,many different designs and model available,fast delivery!!! Dear friends,the products have logo and the products are in sealed box,if you are interested,please contact us,thanks! FEATURESSMALL SIZE, BIG SOUND.Despite its compact size, the Pill produces powerful sound. It’s easy to enjoy soaring highs and deep, booming bass in every room of the house. The Pill is wireless and cord-free. CHANGE TRACKS FROM YOUR PHONE.Or your laptop, or any other Bluetooth-enabled device from up to 30 feet away. The Pill frees you to roam which means you’ll always have high quality sound near or far. TOTALLY PORTABLE.You’re good to set up anywhere. The Pill is lightweight so it won’t slow you down and small enough to fit in whatever you’re carrying out the door. The carry case even comes with a handy carabiner so you can attach it to your backpack. BLUETOOTH CONFERENCINGTake th
Brand Name: MG Model Number: SD 01 Type: Passive Use: Home Theatre Channels: Other Place of Origin: Zhejiang China (Mainland) Model NO.: SD 01 MOQ: 200 pcs Weight Capacity: 35 KG N.W.: 1.1 KG Qty/CTN: 10 pcs Carton Size: 515*310*90mm Packaging & Delivery Packaging Detail: Gift bag with your logo and brand Delivery Detail: 25-30 days Specifications 1. Sound bar speaker tv wall mount 2. Niche market, less competitive 1. Sound bar speaker tv wall mount 2. Additional fitting screws 3. Easy to install 4. Customized gift box with your logo and brand Model No.SD 01 Descriptionsound bar speaker tv wall mount BrandMGCapacity35 KGWall PlateSuit for wood studHardwareIncludedEnglish ManualIncludedMaterialHot rolled steelFinishPowder CoatingColorBlack & SilverOEM PackagingAvailable
Specifications Active Bass, active line array, active speaker, professional loudspeaker, pro audio sound equipment, pa audio loudspeaker system 1.High quality and good price! 2.loudspeaker, power amplifier,column array speaker system and line array pa system are our strong points3.selling to 110 countries and regions4.Most are CE and RoHS certified.
Type: Interior Lamp Voltage: 12V,DC12V Lamp Type: LED Certification: CE RoHS Car Make: Any car Place of Origin: Guangdong China (Mainland) Brand Name: OEM Model Number: GCL-880 Item: Music rhythm voice senser light stick Accessories: 1 pc rhythm light + Controller + flad cable+ Cigar lighter Light Senser: LED Color: Pink,Blue,Green,Yellow,Color changing Size: 80*19cm & 90*25cm Brightness: 70-120 cd/square meter thickness: 0.3-0.5mm Material: pvc/fpc/phosopher life span: more than 8000 hours Packaging & Delivery Packaging Detail: 100 pcs/cartoon Delivery Detail: 5-25 days according to quantity Specifications 1,led light bar sound activated 2.sound activated led strobe lights 3.sound activated rgb led strip light led light bar sound activated sound activated led strobe lights sound activated rgb led strip light Specification: 1.Name: car rhythm light car music rythm light sticker2.Size:45*11cm,50*13cm,70*16cm,80*20cm,90*25cm,114*30cm3.Thickness:0.3-0.5mm4.Br
Specifications 1.Unique design with LED backlight logo 2.Special Speaker Grille 3.Support Line in 4..CE,ROHS approval
Specifications ** Multimedia pc speaker ** Multimedia pc speaker ** 2 1 sound bar Price: USD 8 ~ 15 MOQ: 3,000 set SpecificationRMS: 6WPMPO: 1300WDriver unit: 2 inchFrequency resons 20Hz ~ 20KHzControl: Power, volume, LED, headphone / earphone jackColor: Black, whitePower: AC, USBImpedence: 32 ohmDimensions: 66 * 100 * 75mm More* PC speakers / * PC speakers brands / * PC speaker 2.0* Mini speaker / * Mini speaker usb / * Mini speakers MP3* Best PC speakers / * Cheap PC speaker / * Speaker brands* Multimedia speaker
Specifications 42 inch LCD Video Advertising 4mm Tempered Glass Resolution:1920x1080 (16:9) Full HD 1080P Video Output CE/RoHS Certificate Product Features:- Silver color is available, floor standing metal case, nice and beautiful table floor standing advertising display-With a protection layer of ultra-thin, high light-penetrating steel glass on the surface of the LCD screen.-Brands of LCD screen for Samsung, LG, A Class standard, full new and factory original packing screen.-Build-in CF card slot, SD card, USB2.0 Port and Mini-USB port at one player, user can freelySelect flash memory card.-Safely locking system function to avoid take way flash memory card and advertising playing content, also can be protected by input password.-With USB update feature; Support functions between the card and card copying files-Playing advertising program automatically and circular.-Playlists support functions, can set different folders, copy all target files to those different folders, system w
Specifications 2.Could be used as normal 2.0 spekaer 3.With magnet in the top of the speaker, could be linked together as a sound bar Specification Power sourceUSB Output power3W*2(RMS)StereoNoChannel2.0Speaker Unit2”*2Impedance4 OhmFrequency response140Hz-18KHzS/N ratio≥75DBDissociation≥40DBEarphone Jack NoControllerVolume+, Volume-Cable LengthOutside 1.3-1.5MProduct size 71*82*168mm *2 Warranty Information:1 year limited hardware warranty0.3%-0.5% Spare Unit Packing inform
Light Source: LED LED Light Source: led Type: Spotlights Input Voltage(V): 110-240v Lamp Power(W): 35 Color Temperature(CCT): Cool White Working Temperature(℃): -40 - 10 Working Lifetime(Hour): 100000 Certification: CE,RoHS Place of Origin: Guangdong China (Mainland) Brand Name: Gechen Model Number: GCP-64-139 voltage: 110--240v power: 35w control mode: DMX512, master slave, auto, sound active bulb specifications: 10 LED light-emitting diodes (RGB) 139 lamp bead. color: RGB color mixing material: aluminum net weight: 1.9kg OEM: is welcome warranty: 1 year channels: 4/6CH Packaging & Delivery Packaging Detail: 1.carton box with foam 2.flight case 3.can be customized as you require Delivery Detail: 5~7 days after receiving the payment Specifications 110v led par light 64/led light bar 139pcs 1.normal voltage: AC110V ~ 240 v, 50 HZ 2.powr:35w 110v led par light 64/led light bar 139pcs Technical parameter: 1.normal voltage: AC110V ~ 240 v, 50 HZ 2.normal power: 35w
Brand Name: OEM / XCL Model Number: DM-2501 Channels: 5.1 Player Type: No Player Place of Origin: Guangdong China (Mainland) USB/SD: Yes FM radio: Available Full-function remote control: Yes Package: Colored box Packaging & Delivery Packaging Detail: 1350 sets/40HQ Delivery Detail: Four weeks after confirming the deposit Specifications A. 5.1 Professional multimedia Sound Bar B. USB/SD, FM radio C. Full-function remote control 5.1 Professional Multimedia Sound Bar Specifications: 1. Power (RMS)60W(woofer) + 15W(satellite)*52. Driver Units5.25" woofer*2 + 3" full range*5 3. USB/SD SlotWith4. Digital FM RadioWith5. Remote Control Full-function 6. DisplayMini digital LED7. Volume knobWith LED light8. MaterialsMDF wooden box for subwoofer; plastic for satellites9. UsageWith USB/SD/MMC, FM, PC, laptop, DVD, CD, TV, MP3/4, mobile phone, etc.10. Package470*245*440mm /carton /set11. 40HQ Qty.1350 sets
Standard: JIS,AISI,ASTM,GB,DIN Dimensions: 4mm-350mm Grade: 317L stainless steel bar,317L,1.4483,sus317L Place of Origin: Tianjin China (Mainland) Brand Name: TISC,BISCO,JISCO,KRUPP Model Number: 317L 1.4483 sus 317L Type: Round Application: chemical processing equipment, Processing plant for sulphuric, phosphoric and acetic acids Shape: Round,Round/hexagonal/square Certification: ISO Special Use: Valve Steels surface: white acid/polished/hair line Length: According to client's requirement ,it is from 2m to 12m materials: Cold drawn,hot rolled Tolerance: H9, H11 Packaging & Delivery Packaging Detail: Export standard package,bundled or be required. The inner size of container is below: 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM Delivery Detail: According to the order quantity or upon to the negotiation Specifications 317L steel bar s
Type: Laser Lights Emitting Color: Green Place of Origin: Guangdong China (Mainland) Brand Name: Optlaser Model Number: MN300 Color: Red : 650nm 100mw Green: 532nm 50mw Patterns: beautiful bubble Warranty: 1 Year Certification: CE, RoHS, FDA Play Mode: Sound active, auto-play Cooling system: fan Expected lifetime: 5000h Rated Power: 5W Voltage: 100V-240V Holiday Name: all festival, party, club, disco Packaging & Delivery Packaging Detail: 20PCS/CTN 42*34*42cm 202*160*80mm/PCS Delivery Detail: one week after received the payments Specifications 1. Mini Laser Stage Light 2. CE and FDA approved 3. OEM service 4. Sound sensitive 5. Disco Night club laser light Decorative Light Disco Night Club Home Party Christams Decoration night club bar laser light The mini laser stage light is a kind of new laser light and is very easy to use and applicable for Disco, Clubs, KTV, PUB, BAR, family party, Roller skating rinks etc.The red and green light could display beautiful bubble.The
Place of Origin: Guangdong China (Mainland) Brand Name: LEDWALKER Model Number: LW-RGBB100-D3216 Lamp Holder: Other Input Voltage: 12V Base: Aluminum Color: Fullcolor Usage: outdoor and indoor decorate led bar light control mode: DMX512 led bar light pixels: 16pixels/meter led bar light LED Qty: 32pcs SMD 5050 led bar light waterproof rate: IP65 led bar offtrack: Side or Bottom Packaging & Delivery Packaging Detail: Carton Delivery Detail: 1-30 Working Days Specifications led video screen 1.led linear light 2.warranty:2years 3,led:32pcs SMD RGB 5050 4.IP65,DMX512,16pixels/m Led Video Screen Features1.We use SMD RGB 5050 on our DMX Bar to ensur clear and plensant light beam.2. We make waterproof solution in the surface and the heads of the bar to ensure IP653.With Ledwalker controller and software, it can achieve color fading, and play flash and video.etc4. After installation, the DMX addresses can be set automatically5. Energy-saving, low-cost of maintenance, and long service lif
Specifications LED crystal ball stage light Energy saving for 80% Lifetime:20000 hours Favorable price ,powerful performance Sound Active RGB LED Crystal Ball Stage Light Party Bulb LY399 Sound ActiveEnergy saving for 80%Lifetime:20000 hours Favorable price ,powerful performance It can make different color of small diamonds,these diamonds constantly moving and morphing,just like you are under the festival atmosphere Specification: 1)In Put Voltage: AC84-260V 2)Light source: 3*1W LED 3)N.W.:0.20Kg 4)Packing:Color Box 5) Lamp socket: E27 AND B22 Notice: 1.Don't disassemble the product by yourselves.Please return back to our factory for repairing if ther
Place of Origin: Guangdong China (Mainland) Brand Name: Phaton Model Number: W196A Packaging & Delivery Packaging Detail: Export Carton Delivery Detail: 15 days Specifications LEDs(32red, 32greed, 32blue), 14 Channel,dimmer,strobe,sound-control, auto-run, Master/slave,LED display LEDs(32red, 32greed, 32blue),14 Channel,dimmer,strobe,sound-control, auto-run, Master/slave,LED display LEDs(32red, 32greed, 32blue),14 Channel,dimmer,strobe,sound-control, auto-run, Master/slave,LED display LEDs(32red, 32greed, 32blue),14 Channel,dimmer,strobe,sound-control, auto-run, Master/slave,LED display LEDs(32red, 32greed, 32blue),14 Channel,dimmer,strobe,sound-control, auto-run, Master/slave,LED display